# Question

Compute the measurement signal-to-noise ratio—that is, |μ|/σ, where μ = E[X] and σ2 = Var(X)—of the following random variables:

(a) Poisson with mean λ;

(b) Binomial with parameters n and p;

(c) Geometric with mean 1/p;

(d) Uniform over (a, b);

(e) Exponential with mean 1/λ;

(f) Normal with parameters μ, σ2.

(a) Poisson with mean λ;

(b) Binomial with parameters n and p;

(c) Geometric with mean 1/p;

(d) Uniform over (a, b);

(e) Exponential with mean 1/λ;

(f) Normal with parameters μ, σ2.

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